Yes it is A because the the color of the light of a star helps people tell its size and hotness.
the answer is A) the element that make up the star. i hope it helps
The light from a star provides information about the elements that make up the star, making option A the correct choice. By using techniques like spectroscopy, astronomers can analyze the spectrum of light and identify the presence of various elements. This process has contributed greatly to our understanding of stars and their properties.
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